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http://dx.doi.org/10.5657/KFAS.2018.0697

Distribution of Indicator Bacteria in Seawater off the Coasts of Jeju Island and Pohang in 2017  

Roh, Heyong Jin (Department of Aquatic Life Medicine, Pukyong National University)
Kim, Nam Eun (Department of Aquatic Life Medicine, Pukyong National University)
Chun, Won-Kyong (Department of Aquatic Life Medicine, Pukyong National University)
Kim, Ahran (Department of Aquatic Life Medicine, Pukyong National University)
Lee, Yoonhnag (Department of Aquatic Life Medicine, Pukyong National University)
Kim, Youngjae (Korea Aquatic Biosecurity Technology (KABT))
Hwang, Jee-Youn (Aquatic Life Disease Control Division, National Institute of Fisheries Science)
Kim, Do-Hyung (Department of Aquatic Life Medicine, Pukyong National University)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.51, no.6, 2018 , pp. 697-703 More about this Journal
Abstract
In 2017, total coliform (TC), fecal coliform (FC) and fecal Streptococci (FS) bacteria were examined in seawater samples collected at coastal sites on Jeju Island (Aewol as a control, Namwon, and Daejeong) and at Pohang (Yeongil as a control, Guryongpo-North, and Guryongpo-South) to examine the correlations between the density of fish farms and distributions of the indicator bacteria. Only a few TC, FC, and FS colonies were detected in all of the samples obtained from Jeju Island. Of note, 2,000 and 1,000 CFU of FS $100mL^{-1}$ were detected in samples from Guryongpo-South in June and August, respectively. Although the total area of approved fish farms located within 5 km of the sampling point at Guryongpo-South is 5-16 times smaller than in other regions, the number of indicator bacteria was highest in this region. Therefore, microbiological pollution in the Guryongpo-South region might be due to sources other than the effluent released from nearby fish farms.
Keywords
Fecal indicator bacteria; Fecal coliforms; Fecal streptococci; Fish farm; Seawater quality;
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